Description: The user may identify any existing line or line direction using this function. The selected line is highlighted (the starting point is labeled with a circle) and subsequent points are represented with arrowheads oriented in the direction of the line.
The arrows indicate point locations on the line and line direction.
Usage:
1. DSI prompts :
> SELECT LINES
? ABORT
KEY IN LINE NO: enter line No. to select a line
LINE: select line with cursor
DONE
EXIT
• EXIT completes the show line and exits this function.